Home / 3,987,007.20-5,980,510.80-3,679,077.60

Finding the Fourth Proportional to 3,987,007.20, 5,980,510.80 and 3,679,077.60

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Solution

The fourth proportional to 3,987,007.20, 5,980,510.80 and 3,679,077.60 is: 5,518,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,007.20 : 5,980,510.80 = 3,679,077.60 : x
  2. Step 2: Convert to fraction form
    3,987,007.20/5,980,510.80 = 3,679,077.60/x
  3. Step 3: Cross multiply
    3,987,007.20x = 5,980,510.80 × 3,679,077.60
  4. Step 4: Simplify right side
    3,987,007.20x = 22,002,763,320,838.08
  5. Step 5: Solve for x
    x = 22,002,763,320,838.08/3,987,007.20
  6. Step 6: Final answer
    x = 5,518,616.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.